元となった辞書の項目
water line
意味（1）
意味（2）
(shipbuilding)
Any
one
of
certain
lines
of
a
vessel,
model,
or
plan,
parallel
with
the
surface
of
the
water
at
various
heights
from
the
keel.
In
a
half-breadth
plan,
the
water
lines
are
outward
curves
showing
the
horizontal
form
of
the
ship
at
their
several
heights;
in
a
sheer
plan,
they
are
projected
as
straight
horizontal
lines.
意味（3）
(nautical)
Any
one
of
several
lines
marked
upon
the
outside
of
a
vessel,
corresponding
with
the
surface
of
the
water
when
she
is
afloat
on
an
even
keel.
The
lowest
line
indicates
the
vessel's
proper
submergence
when
not
loaded,
and
is
called
the
light
water
line;
the
highest,
called
the
load
water
line,
indicates
her
proper
submergence
when
loaded.
（ plural ）
